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Libraries
mruby
Commits
c59ef59a
Commit
c59ef59a
authored
Jan 16, 2017
by
Yukihiro "Matz" Matsumoto
Committed by
GitHub
Jan 16, 2017
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Merge pull request #3399 from ksss/caller
Implement Kernel.#caller
parents
8d61f212
59d9f313
Changes
2
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2 changed files
with
88 additions
and
0 deletions
+88
-0
mrbgems/mruby-kernel-ext/src/kernel.c
mrbgems/mruby-kernel-ext/src/kernel.c
+59
-0
mrbgems/mruby-kernel-ext/test/kernel.rb
mrbgems/mruby-kernel-ext/test/kernel.rb
+29
-0
No files found.
mrbgems/mruby-kernel-ext/src/kernel.c
View file @
c59ef59a
...
@@ -2,6 +2,64 @@
...
@@ -2,6 +2,64 @@
#include <mruby/error.h>
#include <mruby/error.h>
#include <mruby/array.h>
#include <mruby/array.h>
#include <mruby/hash.h>
#include <mruby/hash.h>
#include <mruby/range.h>
static
mrb_value
mrb_f_caller
(
mrb_state
*
mrb
,
mrb_value
self
)
{
mrb_value
bt
,
v
,
length
;
mrb_int
bt_len
,
argc
,
lev
,
n
;
bt
=
mrb_get_backtrace
(
mrb
);
bt_len
=
RARRAY_LEN
(
bt
);
argc
=
mrb_get_args
(
mrb
,
"|oo"
,
&
v
,
&
length
);
switch
(
argc
)
{
case
0
:
lev
=
1
;
n
=
bt_len
-
lev
;
break
;
case
1
:
if
(
mrb_type
(
v
)
==
MRB_TT_RANGE
)
{
mrb_int
beg
,
len
;
if
(
mrb_range_beg_len
(
mrb
,
v
,
&
beg
,
&
len
,
bt_len
))
{
lev
=
beg
;
n
=
len
;
}
else
{
return
mrb_nil_value
();
}
}
else
{
v
=
mrb_to_int
(
mrb
,
v
);
lev
=
mrb_fixnum
(
v
);
if
(
lev
<
0
)
{
mrb_raisef
(
mrb
,
E_ARGUMENT_ERROR
,
"negative level (%S)"
,
v
);
}
n
=
bt_len
-
lev
;
}
break
;
case
2
:
lev
=
mrb_fixnum
(
mrb_to_int
(
mrb
,
v
));
n
=
mrb_fixnum
(
mrb_to_int
(
mrb
,
length
));
if
(
lev
<
0
)
{
mrb_raisef
(
mrb
,
E_ARGUMENT_ERROR
,
"negative level (%S)"
,
v
);
}
if
(
n
<
0
)
{
mrb_raisef
(
mrb
,
E_ARGUMENT_ERROR
,
"negative size (%S)"
,
length
);
}
break
;
default:
lev
=
n
=
0
;
break
;
}
if
(
n
==
0
)
{
return
mrb_ary_new
(
mrb
);
}
return
mrb_funcall
(
mrb
,
bt
,
"[]"
,
2
,
mrb_fixnum_value
(
lev
),
mrb_fixnum_value
(
n
));
}
/*
/*
* call-seq:
* call-seq:
...
@@ -170,6 +228,7 @@ mrb_mruby_kernel_ext_gem_init(mrb_state *mrb)
...
@@ -170,6 +228,7 @@ mrb_mruby_kernel_ext_gem_init(mrb_state *mrb)
struct
RClass
*
krn
=
mrb
->
kernel_module
;
struct
RClass
*
krn
=
mrb
->
kernel_module
;
mrb_define_module_function
(
mrb
,
krn
,
"fail"
,
mrb_f_raise
,
MRB_ARGS_OPT
(
2
));
mrb_define_module_function
(
mrb
,
krn
,
"fail"
,
mrb_f_raise
,
MRB_ARGS_OPT
(
2
));
mrb_define_module_function
(
mrb
,
krn
,
"caller"
,
mrb_f_caller
,
MRB_ARGS_NONE
());
mrb_define_method
(
mrb
,
krn
,
"__method__"
,
mrb_f_method
,
MRB_ARGS_NONE
());
mrb_define_method
(
mrb
,
krn
,
"__method__"
,
mrb_f_method
,
MRB_ARGS_NONE
());
mrb_define_module_function
(
mrb
,
krn
,
"Integer"
,
mrb_f_integer
,
MRB_ARGS_ANY
());
mrb_define_module_function
(
mrb
,
krn
,
"Integer"
,
mrb_f_integer
,
MRB_ARGS_ANY
());
mrb_define_module_function
(
mrb
,
krn
,
"Float"
,
mrb_f_float
,
MRB_ARGS_REQ
(
1
));
mrb_define_module_function
(
mrb
,
krn
,
"Float"
,
mrb_f_float
,
MRB_ARGS_REQ
(
1
));
...
...
mrbgems/mruby-kernel-ext/test/kernel.rb
View file @
c59ef59a
...
@@ -3,6 +3,35 @@ assert('Kernel.fail, Kernel#fail') do
...
@@ -3,6 +3,35 @@ assert('Kernel.fail, Kernel#fail') do
assert_raise
(
RuntimeError
)
{
Kernel
.
fail
}
assert_raise
(
RuntimeError
)
{
Kernel
.
fail
}
end
end
assert
(
'Kernel.caller, Kernel#caller'
)
do
skip
"backtrace isn't available"
if
caller
(
0
).
empty?
c
=
Class
.
new
do
def
foo
(
*
args
)
caller
(
*
args
)
end
def
bar
(
*
args
)
foo
(
*
args
)
end
def
baz
(
*
args
)
bar
(
*
args
)
end
end
assert_equal
"#bar"
,
c
.
new
.
baz
[
0
][
-
4
..-
1
]
assert_equal
"#foo"
,
c
.
new
.
baz
(
0
)[
0
][
-
4
..-
1
]
assert_equal
"#bar"
,
c
.
new
.
baz
(
1
)[
0
][
-
4
..-
1
]
assert_equal
"#baz"
,
c
.
new
.
baz
(
2
)[
0
][
-
4
..-
1
]
assert_equal
[
"#foo"
,
"#bar"
],
c
.
new
.
baz
(
0
,
2
).
map
{
|
i
|
i
[
-
4
..-
1
]
}
assert_equal
[
"#bar"
,
"#baz"
],
c
.
new
.
baz
(
1
..
2
).
map
{
|
i
|
i
[
-
4
..-
1
]
}
assert_nil
c
.
new
.
baz
(
10
..
20
)
assert_raise
(
ArgumentError
)
{
c
.
new
.
baz
(
-
1
)
}
assert_raise
(
ArgumentError
)
{
c
.
new
.
baz
(
-
1
,
1
)
}
assert_raise
(
ArgumentError
)
{
c
.
new
.
baz
(
1
,
-
1
)
}
assert_raise
(
TypeError
)
{
c
.
new
.
baz
(
nil
)
}
end
assert
(
'Kernel#__method__'
)
do
assert
(
'Kernel#__method__'
)
do
assert_equal
(
:m
,
Class
.
new
{
def
m
;
__method__
;
end
}.
new
.
m
)
assert_equal
(
:m
,
Class
.
new
{
def
m
;
__method__
;
end
}.
new
.
m
)
assert_equal
(
:m
,
Class
.
new
{
define_method
(
:m
)
{
__method__
}}.
new
.
m
)
assert_equal
(
:m
,
Class
.
new
{
define_method
(
:m
)
{
__method__
}}.
new
.
m
)
...
...
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